The kilogram is being redefined – a physicist explains
Scientists have spent nearly two decades discussing how the kilogram could be defined in relation to constant measurements of nature. And now they have finally reached a decision.
Author The Conversation
Particle physics could be about to get super weird
Unlike the Higgs particle, which confirmed our understanding of physical reality, a new particle seems to threaten it.
Bitcoin at 10: how it all started and what the future holds
In the next 10 years, it remains possible that the technology underlying bitcoin will transform global money.
Why SA can’t make a big shift to renewables – yet
South Africa has a lot going for it when it comes to renewable energy. But several factors stand in the way of its ability to move entirely away from coal.
Some security apps worse for privacy than nothing at all
In early September, Apple removed several Trend Micro anti-malware tools from the Mac app store after they were found to be collecting unnecessary personal information from users.
LED lighting could be harmful to health
LEDs that don’t flicker are not much more expensive, but the public has no way of knowing whether the LED lamp they are considering purchasing will flicker or not.
Why 5G is so very different to previous technologies
Fifth-generation mobile networks will have the same high-level architecture as previous cellular networks, but the intricate details are very different.
New South African telescope Hyrax to chase universe’s mysteries
The Hydrogen Intensity and Real-time Analysis eXperiment (Hirax) project is an international collaboration being led by scientists from the University of KwaZulu-Natal.
What if companies that profit from your data had to pay you?
When it comes to digital privacy, there are plenty of organisations making money out of using your data. But what if you were the one making the money?
Discovered: a huge liquid lake on Mars
Using observations spanning a period of four years, a team of researchers from Italy found evidence of a large lake of salty water, buried 1.5km beneath Mars’s southern polar cap. But does it contain life?